5-year Browns center JC Tretter announces retirement
Final 53 man roster for upcoming season set for Cleveland Browns – WHIO TV 7 and WHIO Radio
Latest On Retired C J.C. Tretter
NFL world reacts to NFLPA president retiring
JC Tretter, NFLPA president and former Browns center, retires after nine seasons
Browns head to camp unsure of Deshaun Watson's availability
J.C. Tretter, National Football League, News, Scores, Highlights, Stats, and Rumors
J.C. Tretter, former Browns center and NFLPA president, retires from NFL - The Athletic
J.C. Tretter, WELCOME TO RETIREMENT 👏
Former Browns, Packers center JC Tretter announces retirement after eight NFL seasons
Former Packers center JC Tretter voted NFLPA president - Acme Packing Company